Diversity analysis on germplasm resources by AFLP and core resources construction of Vicia faba in QinghaiChinese Full Text
LIU Yu-jiao,HOU Wan-wei(Qinghai Academy of Agricultural and Forestry Sciences,Xining 810016,China)
Abstract: The diversity on germplasm of Faba bean（Vicia faba L.） in Qinghai was analyzed by AFLP.The results showed that the effective number alleles of landraces,foreign germplasms and bred varieties were（1.065 5±0.126 3）,（1.063 4±0.143 0）,and（1.065 9±0.165 1）,respectively.The Shannon′s information index was（0.095 4±0.144 9）,（0.084 3±0.151 8）,（0.074 2±0.167 9）,respectively.The radio of effective allele of landrace was the lowest（73.73%）,while its ploy-radio was the highest（44.51%）.The radio of effective allele of bred varieties was the highest（90.39%）,while its ploy-radio was the lowest（17.92%）.The genetic distance was relatively large in landraces and small in foreign germplasms.Genetic structure analysis revealed that 149 Faba bean germplasm resources in Qinghai should be divided into 7 clusters.40 core resources were constructed,containing more than 80% gene information of the 149 resources,with higher total gene diversity and Nei′s gene diversity,which could be used as good parent materials for cross breeding.
- DOI：
10.13432/j.cnki.jgsau.2011.04.019
- Series：
- Subject：
- Classification Code：
S643.6
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